A certificate issued under AS 08.65.050 or 08.65.070 expires on a date determined by the board and may be renewed every two years upon payment of the required fee and the submission of evidence satisfactory to the board that the certified direct-entry midwife has met the continuing education requirements of the board, has demonstrated continued practical professional competence under regulations adopted by the board, and has not committed an act that is a ground for discipline under AS 08.65.110.